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100520-05-6

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100520-05-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100520-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,2 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100520-05:
(8*1)+(7*0)+(6*0)+(5*5)+(4*2)+(3*0)+(2*0)+(1*5)=46
46 % 10 = 6
So 100520-05-6 is a valid CAS Registry Number.

100520-05-6Downstream Products

100520-05-6Relevant articles and documents

Mn(III)-based reactions of alkenes and alkynes with thiols. An approach toward substituted 2,3-dihydro-1,4-oxathiins and simple route to (E)-vinyl sulfides

Nguyen, Van-Ha,Nishino, Hiroshi,Kajikawa, Shougo,Kurosawa, Kazu

, p. 11445 - 11460 (2007/10/03)

The first example using manganese(III) acetate in the reaction of 1,1- diarylethenes with α-mercaptoketones was examined. A mixture of the ethenes and α-mercaptoketones was treated with manganese(III) acetate in acetic acid, affording cycloaddition products in moderate yields, together with substituted products. The reaction may involve the formation of a carbonation and subsequent cyclization to give the substituted 2,3-dihydro-1,4-oxathiin 3. A similar reaction with thioglycolic acid gave 1,4-oxathiolan-2-one 7. While thiyl radicals easily formed by manganese(III) oxidation with ethanethiol or benzenethiol reacted with alkynes to give preferentially (E)- vinyl sulfides 10 in quantitative yields.

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